package com.yanyeori.framework.jira.jiraclient;

import net.sf.json.JSON;
import net.sf.json.JSONObject;

import java.util.Date;

/**
 * Represents an issue work log.
 */
public class WorkLog extends Resource {

    private User author = null;
    private String comment = null;
    private Date created = null;
    private Date updated = null;
    private User updateAuthor = null;
    private Date started = null;
    private String timeSpent = null;
    private int timeSpentSeconds = 0;

    /**
     * Creates a work log from a JSON payload.
     *
     * @param restclient REST client instance
     * @param json       JSON payload
     */
    protected WorkLog(RestClient restclient, JSONObject json) {
        super(restclient);

        if (json != null)
            deserialise(json);
    }

    private void deserialise(JSONObject json) {
        self = Field.getString(json.get("self"));
        id = Field.getString(json.get("id"));
        author = Field.getResource(User.class, json.get("author"), restclient);
        comment = Field.getString(json.get("comment"));
        created = Field.getDateTime(json.get("created"));
        updated = Field.getDateTime(json.get("updated"));
        updateAuthor = Field.getResource(User.class, json.get("updateAuthor"), restclient);
        started = Field.getDateTime(json.get("started"));
        timeSpent = Field.getString(json.get("timeSpent"));
        timeSpentSeconds = Field.getInteger(json.get("timeSpentSeconds"));
    }

    /**
     * Retrieves the given work log record.
     *
     * @param restclient REST client instance
     * @param issue      Internal JIRA ID of the associated issue
     * @param id         Internal JIRA ID of the work log
     * @return a work log instance
     * @throws JiraException when the retrieval fails
     */
    public static WorkLog get(RestClient restclient, String issue, String id) throws JiraException {
        JSON result;

        try {
            result = restclient.get(getBaseUri() + "issue/" + issue + "/worklog/" + id);
        } catch (Exception ex) {
            throw new JiraException("Failed to retrieve work log " + id + " on issue " + issue, ex);
        }

        if (!(result instanceof JSONObject))
            throw new JiraException("JSON payload is malformed");

        return new WorkLog(restclient, (JSONObject) result);
    }

    @Override
    public String toString() {
        return created + " by " + author;
    }

    public User getAuthor() {
        return author;
    }

    public String getComment() {
        return comment;
    }

    public Date getCreatedDate() {
        return created;
    }

    public User getUpdateAuthor() {
        return updateAuthor;
    }

    public Date getUpdatedDate() {
        return updated;
    }

    public Date getStarted() {
        return started;
    }

    public String getTimeSpent() {
        return timeSpent;
    }

    public int getTimeSpentSeconds() {
        return timeSpentSeconds;
    }
}
